浙江省计算机等级考试二级《C程序设计》上机考试题库_.doc

上机程序调试及程序设计练习 一、程序填空（1） 找Armstrong（水仙花）数：#include #include void main() int i,a,b,c; for(i=100;i=999;i+) a=i/100; _1_ c=i%10; 371=3*3*3+7*7*7+1*1*1 / b=i%100/10; if (_2_) / a*a*a+b*b*b+c*c*c = = i printf(%d is a Armstrong number!n,i); （2） 输入1 个整数后，输出该数的位数。（例：输入3214则输出 4，输入-23156则输出5）。#include void main() int n,k=0; scanf(%d,&n); while( _1_ ) k+; _2_; printf(%dn,k); / n!=0 / n=n/10 _ 3 _ lB彄QevetepT_OMepWNKTfiY倧Qe #include #include void main() int n,s=0; scanf(%d,&n); _ 1 _ while(n!=0) _ 2 _ n=n/10; printf(%dn,s); 234 R6彄Q 9fi彄Qe -312 R6彄Q 60_ / if (nP/n0_OY7傚zff弿Qe 12345fiR6彄Q 543218傚zff弿Qe -34567fi R6彄Q -765430_ #include #include long f(long n) long m,y=0; m=fabs(n); while(m!=0) y=y*10+m%10; _1_ if(n=0) return y; else _2_ void main() / m=m/10 8 / return -y ; printf(%ldt,f(12345); printf(%ldn,f(-34567); _ 5 _ _u(Qep ffiNW&N2N-R -dbgvepWW&0_ #include #include #include void f(char *s) int i=0; while(si!=0) if(isdigit(si) _1_(s+i,s+i+1); / strcpy _2_ i+; void main() char str80; gets(str); f(str); puts(str); / else _ 6 _ _u( find QepW(彄QevW&N2N-gbf/T&Qsthe徺N*SU嬐0_YggR0徳VQsvk!epfiYg g*bR0徳V00_ #include int find(char *str) char *fstr=the; int i=0,j,n=0; while (stri!=0) for(_1_) / j=0; j=3 _ 7 _ 彄QevN_N*,QWkfi_Wk_sTffiy #include void main() char c; c=getchar(); if(_1_) c=c+5; else if (c=v & c=a&c=u / c=(c-a+5)%26+a; _ 8 _ _W&N2 s N-bgvW&cR -d0_ #include void main() char s80; int i,j; gets(s); for(i=j=0; _1_; i+) if(si != c) sj=si; _2_ sj=0; puts(s); / si != 0 / j+; _ 9 _ x=1fi 2fi 厖fi 10filB f(x)=x*x-5*x+sin(x)vg_YP0_ #include #include #define f(x) x*x-5*x+sin(x) 3 of 25 4/21/2010 void main() int x; float max; _1_ for(x=2;xmax) max=f(x); _ 10_彄QeNN*etepficu1,R0Yvz弿Q徺NN*ep0_ #include void swap(_1_) /*NcbN$N*epvOMn*/ int temp; temp = *pa; *pa = *pb; *pb = temp; void main() int a,b,c,temp; scanf(%d%d%d,&a,&b,&c); if(ab) swap(&a,&b); if(bc) swap(&b,&c); if(_2_) swap(&a,&b); printf(%d,%d,%d,a,b,c); / int *pa, int *pb / if ( ab ) _ 11_u(Qep ffiS粬depN-v_epfi彄Qeep x7fi彄QgN:7 1 3 4 6 #include void f(int *a,int *m) int i, j ; for(i=0;i*m;i+) if(ai0) / epQC vR -d for(j=i-;j*m-1;j+) aj=aj+1; _1_; / *m = *m-1; void main() int i,n=7,x7=1,-2,3,4,-5,6,-7; _2_; for(i=0;in;i+) printf(%5d,xi); printf(n); / f (x, &n) ; 4 of 25 4/21/2010 _ 12_u(Qep f 嫛NepY7y_, 1.1+2.2*x+3.3*x*x+4.4*x*x*x+5.5*x*x*x*x _S x=1.7 evP0_ #include float f(float, float*, int); void main() float b5=1.1, 2.2, 3.3, 4.4, 5.5 ; printf(%fn, f(1.7,b,5) ); float f( _1_ ) float y=a0, t=1; int i; for(i=1; in; i+) t=t*x; y=y+ai*t; _2_ / float x, float *a, int n / return y; _ 13_R_R+邒W&N2N-傫eWk0_epW0_TQvNW&Qsvk!ep0_ #include #include void main() char a80; int n3=0, i; gets(a) ; _1_ / for ( i=0; ai!=0; i+) if (tolower(ai)=a & tolower(ai)=z) /*邒WkN*ep*/ n0+; else if (_2_) /*邒epWN*ep*/ n1+; else n2+; for(i=0;i=0 & ai=9 _ 14_彄QevSA徾R6etep _OY7彄QeSA徾R6ep # include # include char trans(int x) n 7徢Qep DtoH QeplcbN:SAQm徾R6epfiv_lcbgNW&N2_b_,彄Q0_ 79fi_彄QSAQm徾R6 4f0_ if(x10) return 0+x; else _1_ int DtoH(int n,char *str) int i=0; while(n!=0) / return a+x-10; 5 of 25 4/21/2010 _2_ n/=16;i+; return i-1; void main() int i,k,n; char *str; scanf(%d,&n); k=DtoH(n,str); / stri=trans(n%16); / la,7槝vg6_ str f/c_c_攬0_e9N:7 char str80; for (i=0;i=k;i+) printf(%c,strk-i); _ 15_彄QevSA徾R6kcetep #include void Dec2Bin(int m) int bin32,j; for(j=0;m!=0;j+) n 7徢Qep Dec2Bin lcbN:N徾R6epfiv_lcbg湉Q0_ binj= _1_; m=m/2; for( ; j!=0; j- ) printf(%d, _2_ ); void main() int n; scanf(%d,&n); Dec2Bin(n); / m%2 / binj-1 _ 16_epR4v, 10_ 2 yWGN:1fikdTffiT_yPWGN:嬪yRMN寴yNKT0_嫛epR4, 30 yvP0_ #include _1_ void main() printf(%ldn,f(30) ; / long f(int n); b3_ long f(int); long f(int n) if( _2_ ) return 1; else / n=1 | n=2 6 of 25 4/21/2010 return f(n-1)+f(n-2); _ 17_嬪zff弸VOMfu_vsWGb-fiOXW(gN-fiq6TffiR4h彄Q徺Nfu_vOo0_ #include struct STUDENT char name16; int math; int english; int computer; int average; ; void GetAverage(struct STUDENT *pst) int sum=0; sum = _1_; pst-average = sum/3; /* 嫛sWGb- */ / pst-math+pst-english+pst-computer void main() int i; struct STUDENT st4=Jessica,98,95,90,Mike,80,80,90, Linda,87,76,70,Peter,90,100,99; for(i=0;i4;i+) GetAverage(_2_); / st + i printf(NametMathtEnglishtComputAveragen); for(i=0;i4;i+) printf(%st%dt%dt%dt%dn,,sti.math,sti.english, puter,sti.average); _ 18_彄Qe m0_ n_墎lB彄QeepWGYN 00_彄QNvg_YQlep0_ #include void main() int m, n, k; while ( scanf(%d%d, &m, &n), _1_ ); for (_2_ ; n%k!=0 | m%k!=0 ; k-) ; printf(%dn, k); / m=0|nn?n:m _ 19_lBQ a N-T_v鴲N$N*QC vTfiv_徺NTXeW(ep b N-fick蠄L 3 N*QC v_b_,彄Q0_OY7 b1=a0+a1fi fi b9=a8+a90_ #include void main() 7 of 25 4/21/2010 int a10,b10,i; printf(nInput 10 numbers: ); for (i=0; i10;i+) scanf(%d, &ai); for (i=1; i10; i+) bi=_1_; for (i=1; i0filB m O_2 v m k!e,Nb3IN nfi 2 v m+1 k!eYNb3IN n0_ #include void main() int m=0,t=1,n; while( _ 1 _); while(!(t=n) _ 2 _ m+; printf(%dn,m); / scanf(%d,&n), n=0 / 4S鲌h従_, / t=t*2; N0_zffe96_ _ 1 _ 彄QeN_N*W&N2fi_b-W&N2vbg傫eWkvW&R -dTffi彄Q0_ #include #include void main() char str256; int i,j,k=0,n; gets(str); n=strlen(str); for(i=0;in;i+) / la,7槝vg6_XR N_L7 #include /*1*/ if (tolower(stri)z) / if (tolower(stri)=a & tolower(stri)R0W&N2 _弿cR0W&N2 #include #include t Tffib0_OY7彄Qe t N-fiQ_W&N2N-vW&c ABCDfiR6W&N2 t N:ABCDDCBA0_ void fun(char *s,char *t) int i,sl; sl=strlen(s); for(i=0;isl;i+) ti=si; for(i=0;isl;i+) /*1*/ tsl+i=ssl-i; /*2*/ tsl=0; void main() char s100,t100; scanf(%s,s); fun(s,t); printf(%s,t); / tsl+i=ssl-1-i; / tsl+i =0; _ 3 _ 徯Le鰪Qe 10 N*epfiq6TffiR_R+彄QQvN-vg_YP0_g_,P0_ #include void main() float x,max,min; int i; /* 1 */ for(i=0;imax) max=x; if(xmin) min=x; printf(%f,%fn,max,min); / for(i=1; i=10; i+) / if(i=1) max=x;min=x; _ 4 _ u(bl 10 N*etepcSGc0_ #include #define N 10 void main() int i, j, min, temp ; int aN=5, 4, 3, 2, 1, 9, 8, 7, 6, 0 ; 9 of 25 4/21/2010 printf(nThe array is:n); /* 彄QepQC */ for (i=0;iN;i+) printf(%5d,ai); for (i=0;iN-1;i+) min = i; for (j=i+1; jN; j+) /* 1 */ /* cdO */ if (aminaj ) min =j; temp=amin; amin=aj; aj=temp; / e9b- /*epcnNcb*/ temp=amin; amin=ai; ai=temp; printf(nThe sorted numbers: n); /* 彄Qcg for (i=0;iN;i+) printf(%5d,ai); printf(n); */ _ 5 _ 彄Qe x Tkcepepsfi嫛Y7y_, 1-x+x*x/2-x*x*x/3!+厖vTvR0g+yvP,Neps N:kb0_ #include #include void main() float x,eps,s=1,t=1,i=1; scanf(%f%f,&x,&eps); do /* 1 */ t=-t*x/+i; s+=t; /* 2 */ while(fabs(t)=eps); _ 6 _ 徯Le鰝鍙Qe a0_ n R_R+N: 30_ 6fiR6彄QNffR4h従_,vP7 3+33+333+3333+33333+3333330_ #include void main() int i,a,n; long t=0; /* 1 */ s=0; scanf(%d%d,&a,&n); for(i=1;i=n;i+) /* 2 */ t=t*10+i; s=s+t; s=s*a; / long s=0; / t=t*10+1; 10 of 25 4/21/2010 printf(%ldn,s); _ 7 _ u(/_Rl_N_N*QmOMetep #include n lcbyW&N20_OY7彄Qe 123456fi攺QW&N2 1234560_ void itoa(long i,char *s) if(i=0) return; /* 1 */ *s = 1+i%10; itoa(i/10,s-1); / *s=i%10+0; void main() long n; char str7=; scanf(%ld,&n); /* 2 */ itoa(n,str+6); printf(%s,str); / itoa(n,str+5); _ 8 _ 彄Qe nfiQ崗Qe n N*pvsbWPh_fiq6Tffi彄Q鷲N泹yWPh_S pN崊徢 5 vpvWPh_P0_ #include #include #include void main() int i,n; /* 1 */ struct axy float x,y; a; scanf(%d,&n); a=(float*) malloc(n*2*sizeof(float); for(i=0;in;i+) /* 2 */ scanf(%f%f,ai.x,ai.y); for(i=0;in;i+) / struct axy float x,y; *a; / scanf(%f%f,&ai.x,&ai.y); if(sqrt(ai.x*ai.x+ai.y*ai.y)=5) printf(%f,%fn,ai.x,ai.y); _ 9 _ 徯Le鰪Qe nfiR6彄Q n vbg(epVP0_OY7 n=13860fiR6彄Q 20_ 20_ 30_ 30_ 50_ 70_ 110_ #include void main() int n,i; scanf(%d,&n); 11 of 25 4/21/2010 /* 1 */ i=1; while(n1) if(n%i=0) printf(%dt,i); n/=i; else /* 2 */ n+; / i=2; / i+; N0_3Qzff_ _ 1 _ W(kcetepN-bQ 1 N*g_,v0_埆 30_ 50_ 70_ 9 -dOYepR_R+N:10_ 30_ 50_ 7 vepfi_嬪epNh_, %d QQeR0_u_eNY9N-Paper PeNY9NffveeN Design1.dat N-0_ #include #include void main() /*_u_W(徺懱mR Nx_ FILE *p; int i; */ p=fopen(Design1.dat,w); for( i=1; ;i+) if (i%3=1 & i%5=3 & i%7=5 & i%9=7) break; fprintf(p,%d,i); fclose(p); _ 2 _ 傚 a0_ b N: 1 NepfiR6 a vVPTINb0_ b vVPTINa0_N1 a NIN b0_Y7 2200_ 284 f/ 1 Nepfi 2840_ 220 N_f/ 1 Nep0_W( 65000 QbQbgvNepfiv_kNep u(嬳S fprintf( p, %6d, %6dn, a, b)QQeR0_u_eNY9N-Paper PeNY9NffveeN Design2.dat0_ #include void main() FILE *p; int a,b,c,k; p=fopen(design.dat,w); /*_u_W(徺懱mR Nx_ for(k=6;k=5000;k+) */ b=0; c=0; for(a=1;ak;a+) if (k%a=0) b+=a; for(a=1;ab;a+) if (b%a=0) c+=a; 12 of 25 4/21/2010 if (k=c&k!=b) fprintf(p,%6d,%dn,k,b); fclose(p); _ 3 _ 嬀嫛zff7嫛W&N2 s N-kN*W&vgC懲Pfib0gC懲P1f/W&W(W&N2N-vOMnPNffi嬪W &vASCII x_PvNXy0_OMnPN 1 _YOkd/X0_kN*W&vgC懲PfiNh_, nzffv_UN- Paper Pv_UNffveeN design.dat N-0_ #include #include void main() FILE *p; int i,w; char *s=we45*&y3r#$1; /*_u_W(徺懱mR Nx_ */ p=fopen(design.dat,w); for (i=0;si!=0;i+) w=(i+1)*si; fprintf( p,%d ,w); %d QQeR0 fclose(p); _ 4 _ _ep a vkN_LWG-dN嬪LNPg_YvQC fiq6Tffi_ a epQQeR0_u_eNY9N-Paper P eNY9NffveeN Design1.dat0_ #include #include void main() float a33=1.3,2.7,3.6,2,3,4.7,3,4,1.27; FILE *p; float x; int i,j; /*_u_W(徺懱mR Nx_ for (i=0;i3;i+) */ x=ai0; for (j=1;jx) x=aij; for (j=0;j3;j+) aij/=x; /*mR Nx_g_*/ p=fopen(design.dat,w); for(i=0;i3;i+) for(j=0;j3;j+) fprintf(p,%10.6f,aij); fprintf(p,n); 13 of 25 4/21/2010 fclose(p); _ 5 z=f(x,y)=(3.14*x-y)/(x+y)fi傚 x0_ y SPN:S:曯1fi 6vetepfibQO z Sg_,Pv x10_ y1fiv_ x10_ y1 Nh_, %d,%dQQeR0_u_eNY9N-Paper PeNY9NffveeN Design2.dat0_ #include void main() FILE *p; float f(float x,float y),min; int x,y,x1,y1; /*_u_W(徺懱mR Nx_ min=f(1,1); x1=y1=1; for (x=1;x=6;x+) for (y=1;y=6;y+) if (f(x,y)min) */ min=f(x,y); x1=x; y1=y; p=fopen(Design2.dat,w); fprintf(p,%d,%d,x1,y1); fclose(p); /*mR Nx_g_*/ float f(float u,float v) return (3.14*u-v)/(u+v); _ 6 z=f(x,y)=10*cos(x-4)+5*sin(y-2)fi傚 y1fiv_ x0_ y SPN:S:曯0fi 10vetepfibQO z Sg_,Pv x10_ x10_ y1 Nh_, %d,%dQQeR0_u_eNY9N-Paper PeNY9NffveeN Design2.dat0_ #include #include void main() FILE *p; int x,y,x1,y1; float z,z1; /*_u_W(徺懱mR Nx_ */ z1=10*cos(-4)+5*sin(-2); for (x=0;x=10;x+) for (y=0;y=10;y+) x1=y1=0; z=10*cos(x-4)+5*sin(y-2); if (zz1) z1=z; x1=x; y1=y; p=fopen(Design2.dat,w); fprintf(p,%d,%d,x1,y1); fclose(p); _ 7 _ 嬀嫛zff7epQC xi0_ yihy:sbNgpWPh_fi邒bgT_p箷g_w韻yfiv_QvPNh 14 of 25 4/21/2010 _, %fQR0nzffv_UN- Paper Pv_UNffveeN design.dat N-0_ #include #include #define len(x1,y1,x2,y2) sqrt(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2) void main() FILE *p; int i,j; float c,minc; float x=1.1,3.2,-2.5,5.67,3.42,-4.5,2.54,5.6,0.97,4.65; float y=-6,4.3,4.5,3.67,2.42,2.54,5.6,-0.97,4.65,-3.33; minc=len(x0,y0,x1,y1); /*_u_W(徺懱mR Nx_ for (i=0;i10;i+) for (j=i+1;j10;j+) */ / la,7NN: for (j=0; j10; j+) c=len(xi,yi,xj,yj); if (cminc) minc=c; p=fopen(Design.dat,w); fprintf(p,%f,minc); fclose(p); _ 8 _ 嬀嫛zff7W(ep x v 10 N*epN-lBsWGPvfibQNffi v vg_,vepQC v_QvNh_, %.5f QR0_u_v_UN- Paper Pv_UNffveeN design.dat N-0_ #include #include void main() FILE *p; int i, k=0; float x10=7.23,-1.5,5.24,2.1,-12.45,6.3,-5,3.2,-0.7,9.81,d,v=0; for(i=0;i10;i+) v+=xi; v=v/10; d=fabs(x0-v); /*_u_W(徺懱mR Nx_ for ( i=1; i10; i+) */ if ( fabs(xi-v)d) d=fabs(xi-v); k=i; p=fopen(Design.dat,w); fprintf(p,%.5f, xk ); fclose(p); x=1,2,10filBQep f(x)=x-10*cos(x)-5*sin(x)vg_YPfiv_嬪epNh_, Y9N-Paper PeNY9NffveeN Design1.dat0_ 15 of 25 _ 9 _ .3fQQeR0_u_eN 4/21/2010 #include #include void main() FILE *p; float f(float),max,x; /*_u_W(徺懱mR Nx_ int i; max=f(1); for (i=2;i=10;i+) */ x=f(i); if (maxx) max=x; p=fopen(Design1.dat,w); fprintf(p,%.3f,max); fclose(p); float f(float x) float t; t=x-10*cos(x)-5*sin(x); return t; _ 10_W&N2 s N-vbgW&c ASCII PN,R0Y懲ecTffifi_cTffivW&N2QQeR0_u_eNY9 N- Paper PeNY9NffveeN Design2.dat0_ #include #include void main() FILE *p; char *s=634,.%w|SQ2,c; int i,j,k,n=strlen(s); /*_u_W(徺懱mR Nx_ char str40; strcpy(