Lang:G++
Edit123456789101112131415161718192021222324#include<iostream>#include<algorithm>#include<map>using namespace std;int main() {int n, ans = 0;map<int, int> count;cin >> n;for (int i = 0; i < n; i++) {int k, sum = 0;cin >> k;for (int j = 0; j < k; j++) {int x;cin >> x;if (j == k-1) break;sum += x;count[sum]++;ans = max(ans, count[sum]);}}cout << n - ans << endl;}