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真不明白,这代码水不过去竟然-。-!~~非要好好写吗。。。。。ORZ~~#include<iostream> using namespace std; int main() { int n; while(1 == scanf("%d", &n) ) { getchar(); char ch[3002]; if(n < 1) { gets(ch); puts("YES"); } else if(n == 2) { int a, b, c; scanf("%d %d %d", &a, &b, &c); if(b * b >= 4 * a * c) puts("YES"); else puts("NO"); } else { gets(ch); puts("NO"); } } return 0; }1 Followed by:
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