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36 lines
950 B
36 lines
950 B
#include <bits/stdc++.h>
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using namespace std;
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const int N = 1e5 + 100;
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int sum[N], mod[N];
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int main() {
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ios::sync_with_stdio(false);
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int c, n;
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while (cin >> c >> n, c + n) {
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memset(mod, -1, sizeof mod);
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memset(sum, 0, sizeof sum);
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mod[0] = 0;
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int s = 0, t = 0;
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for (int i = 1; i <= n; i++) {
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int x;
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cin >> x;
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sum[i] = (sum[i - 1] + x) % c; // 前缀和 %c
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if (sum[i] == 0) {
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t = i;
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continue;
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}
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if (mod[sum[i]] == -1)
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mod[sum[i]] = i; // 首次出现这个余数
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else { // 多次出现此余数
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s = mod[sum[i]]; // 开始位置
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t = i; // 结束位置
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}
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}
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for (int i = s + 1; i <= t; i++)
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cout << i << (i != t ? " " : "\n");
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}
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}
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