Loading [Contrib]/a11y/accessibility-menu.js
上傳編號 228167
上傳時間 2025-04-10 19:46:03
題目 [練習題]西格馬嗯
使用者 anonymous
總得分 0, CE in 0 ms
# State Runtime Memory
0 CE 0 0
1 CE 0 0
2 CE 0 0
3 CE 0 0
Judge Information
./test.cpp: In function 'int main()':
./test.cpp:9:21: error: expected ')' before ';' token
printf("%.4f", m;
^
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#include <iostream>
#include <stdio.h>
#include <cmath>
using namespace std;
int main() {
int n, m;
cin >> n;
m=n*(n+1)/2;
printf("%.4f", m;
cout << endl;
}
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