【#文档大全网# 导语】以下是®文档大全网的小编为您整理的《用C语言实现累加求和各种源程序》,欢迎阅读!

C语言累加求和源程序参考:
1. 用for语句实现: #include Int main(void) { int sum=0,i,n; printf(“Piease Input a number n:”); scanf(“n=d”,&n); for(i=0;i<=n;i++) { sum+=I;
}
printf(“sum=%d\n”,sum); return 0; }
2. 用while语句实现: #include int main(void) { int sum=0,i=0,n;
printf(“Piease Input a number n:”); scanf(“n=d”,&n); while(i<=n) { sum+=I; i++; }
printf(“sum=%d\n”,sum); return 0; }
3. 用do-while语句实现: #include int main(void) { int sum=0,i=0,n;
printf(“Piease Input a number n:”); scanf(“n=d”,&n); do { sum+=I; i++;
}
while(i<=n);
printf(“sum=%d\n”,sum); return 0; }
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