错了好多遍，不知道为啥出错，如果有大神发现，请求指点！！！
附错误代码（错的不知道怎么回事）：
#include#include #include using namespace std;const int maxn = 32 + 5;int hblock[maxn*maxn]; /*elevation*/int main(){ int n, m; while(scanf("%d%d", &n, &m) != EOF) { if(n == 0 && m == 0) break;// memset(hblock, 0, sizeof(hblock)); for(int i = 0; i < m * n; i++) scanf("%d", &hblock[i]); hblock[m*n] = 2147483647;// cout << hblock[m*n] << endl; sort(hblock, hblock + m*n); double v; double h; cin >> v; v = v / 100.0; /*除以一个区的底面积，得到其高度*/ double mark = 0; /*标记被淹的极限*/ for(int i = 1; i <= m * n; i++) { v += hblock[i-1]; h = v / i; /**淹完一个时的高度**/ if(h < hblock[i]) { mark = i; break; } } int cases = 0; printf("Region %d\n", ++cases); printf("Water level is %.2lf meters.\n", h); printf("%.2lf percent of the region is under water.\n", 100.0*mark/double(n*m)); /*double强制转换不可忘，不然会有大量损失*/ } return 0;}
正确代码：
#include#include #include #include #include using namespace std;#define INF 0x7fffffffint h[35 * 35], n, m;double v, H, k;int main(){ int cas = 0; while(scanf("%d%d", &n, &m), n) { n *= m; for(int i = 0; i < n; i++) scanf("%d", h + i); h[n] = INF, n++; sort(h, h + n); scanf("%lf", &v); v /= 100.0; for(int i = 1; i <= n; i++) { v += h[i - 1]; H = v / i; if(H < h[i]) { k = i; break; } } printf("Region %d\n", ++cas); printf("Water level is %.2lf meters.\n", H); printf("%.2lf percent of the region is under water.\n\n", 100.0 * k / (n - 1)); } return 0;}