4 条题解
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4
#include using namespace std;
int main() { int a, b = 0; cin >> a; for (int i = 1; i <= a; i++) { b = b + i; } cout << b; return 0; }
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黄腾钰xz
@ 2026-7-8 16:46:58
给我点赞赞OWO
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3
张学境2026dly LV 6 @ 2026-5-31 8:40:38
#include <bits/stdc++.h> using namespace std;
int main() { int a, num = 0; cin >> a; for (int i = 1; i <= a; i++) { num = num + i; } cout << num; return 0; }
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2
卿哲铭2026dly LV 7 @ 2026-7-8 15:32:06
#include using namespace std;
int main() { int n, ans = 0; cin >> n; for (int i = 1; i <= n; i++) { ans = ans + i; } cout << ans;
return 0;}
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