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{ float x; unsigned int s1,s2,s3,i; s1=s2=s3=0;

for(i=1;i<=N;i++) { scanf(\

if(x<0) s1++; else if(x==0) s2++; else s3++; }

printf(\¸ºÊý%u¸ö£¬Áã%u¸ö£¬ÕýÊý%u¸ö\\n\ }

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for(x=-45;x<=45;x++) { y=-45;

while(y<=45) {

if(x*x+y*y==1989)

printf(\ y++; } } }

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{ unsigned int x;

printf(\ÇëÊäÈëÒ»¸öÊ®½øÖÆÕýÕûÊý:\ scanf(\

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void main() { int i,j,s=1;

for(i=1;i<=1000;i++,s=1) {

for(j=2;j<=i/2;j++) if(i%j==0) s+=j; // Çó iµÄÒò×ÓºÍ if(s==i) {

printf(\ // Èç¹ûi ÊÇÍêÊýÔòÊä³öÆä¸÷Òò×Ó for(j=2;j<=i/2;j++)

if(i%j==0) printf(\ printf(\ } } }

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#include \ void main() { int m,i=2;

printf(\ÇëÊäÈëÒ»¸öÕûÊý:\

while(m!=1) if(m%i==0){ printf(\ \ printf(\ }

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for(i=0;i

if(a[i]%a[j]==0&&i!=j) { printf(\ }

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{ float a[NA],b[NB]; int i,j;

for(i=0;i

for(i=0;i

if(a[i]==b[j]) { printf(\ }

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{ float a[NA],b[NB]; int i,j;

for(i=0;i

for(j=0;j

printf(\

for(i=0;i

for(j=0;j

printf(\ }

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{ char s1[20],s2[]=\ int i=0; while((s1[i++]=s2[i])!='\\0'); printf(\ } 10£®¸ø¶¨Äê·Ýyear£¬Åбð¸ÃÄê·ÝÊÇ·ñÈòÄ꣨¶¨ÒåÒ»¸öºêÒÔÅбð¸ÃÄê·ÝÊÇ·ñÈòÄ꣩¡£ #include

#define f(year) year%4==0&&year0!=0||year@0==0 void main() { int y;

printf(\ÇëÊäÈëÄê·Ý:\ if(f(y)) printf(\ÄêΪÈòÄê\\n\ else printf(\Äê²»ÊÇÈòÄê\\n\ }

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#include #define MAX 80 #define SWITCH 1 void main()

{ char str[MAX]; int i=0;

printf(\ÇëÊäÈëÎı¾ÐÐ:\\n\ #if(SWITCH)

while(str[i]!='\\0')

if(str[i]>='a'&&str[i]<='z')

if(str[i]=='z')str[i]='a'; else str[i]++; i++; #endif

printf(\ }

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#include \ #include \ void div(float** a,int n) { int i,j; float x; for(i=0;i

if(fabs(*(*(a+i)+j))>fabs(x)) x=*(*(a+i)+j); for(j=0;j

return; }

void main() // º¯ÊýÒýÓÃʾÀý

{ float b[3][3]={{1,2,3},{4,5,6},{7,8,9}}; int i,j; float* c[3];

for(i=0;i<3;i++) c[i]=b[i]; div(c,3); for(i=0;i<3;i++) {

for(j=0;j<3;j++) printf(\ } }

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#include \

float f1(float* a,float x,int n)

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