제출 #942596

#제출 시각아이디문제언어결과실행 시간메모리
942596adaawfSum Zero (RMI20_sumzero)C++14
22 / 100
1018 ms10832 KiB
#include <iostream> #include <map> using namespace std; int a[400005], l[400005][4], f[400005]; map<long long int, int> m; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long int n, c = 0; cin >> n; m[0] = 0; for (int i = 1; i <= n; i++) { cin >> a[i]; c += a[i]; f[i] = f[i - 1]; if (m.count(c)) { f[i] = max(f[i], m[c] + 1); } m[c] = i; } for (int i = 1; i <= n; i++) { l[i][0] = f[i]; } for (int i = 1; i <= 3; i++) { for (int j = 1; j <= n; j++) { int h = j; for (int k = 0; k < 25; k++) { if (l[h][i - 1] == 0) { h = 0; break; } else h = l[l[h][i - 1] - 1][i - 1]; } } } int q; cin >> q; for (int jj = 0; jj < q; jj++) { int x, y, res = 0; cin >> x >> y; for (int i = 3; i >= 0; i--) { if (y < x) break; int c = 1; for (int j = 1; j <= i; j++) c *= 25; while (l[y][i] >= x) { y = l[y][i] - 1; res += c; } } cout << res << '\n'; } }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...