Submission #684072

#	Time	Username	Problem	Language	Result	Execution time	Memory
684072		penguin133	Sum Zero (RMI20_sumzero)	C++17	22 / 100	1080 ms	1752 KiB

sumzero

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif

int n, A[100005], q;

void solve(){
	cin >> n;
	for(int i=1;i<=n;i++)cin >> A[i];
	cin >> q;
	while(q--){
		int l, r; cin >> l >> r;
		map <int, bool> mp;
		int ans = 0, cur = 0;
		mp[0] = 1;
		for(int i=l;i<=r;i++){
			cur += A[i];
			if(mp[cur])ans++, mp.clear(), cur = 0, mp[0] = 1;
			mp[cur] = 1;
		}
		cout << ans << '\n';
	}
}

main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int tc = 1;
	//cin >> tc;
	for(int tc1=1;tc1<=tc;tc1++){
		// cout << "Case #" << tc1 << ": ";
		solve();
	}
}

Compilation message (stderr)

sumzero.cpp:33:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   33 | main(){
      | ^~~~

• Subtask 1: 22 / 22
• Subtask 2: 0 / 39
• Subtask 3: 0 / 39