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我wa了N久,最后写个随机数生成器,再找个ac代码,才把bug找出来。。。In Reply To:谁能告诉这段代码为什么错了?自己运动结果正常,为什么submit就wrong result呢 Posted by:zhuyunxiang1984 at 2011-02-03 23:46:42 //get random numbers #include <iostream> #include <ctime> #include <fstream> #include <cstdlib> using namespace std; int main() { int i, j; int r, c; ofstream f("rand_num.txt", ios::out | ios::trunc); if(!f.is_open()) { cout << "Can not open file!\n"; return 1; } srand(time(NULL)); r = rand() % 10 + 1; c = rand() % 10 + 1; f << r << ' ' << c << endl; for(i = 0; i < r; ++i) { for(j = 0; j < c; ++j) f << rand() % 100 << ' '; f << endl; } f.close(); return 0; } Followed by: Post your reply here: |
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