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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#147053 | #3905. Hockey championship | OneWan | WA | 1ms | 3636kb | C++20 | 794b | 2023-08-22 18:58:45 | 2023-08-22 18:58:47 |
Judging History
answer
// Problem: H - Long integer
// Contest: Virtual Judge - Namomo Summer Camp 23 Day 2
// URL: https://vjudge.net/contest/576885#problem/H
// Memory Limit: 254 MB
// Time Limit: 2000 ms
#include <bits/stdc++.h>
using namespace std;
// 2023 OneWan
int ans[500005];
const int mod = 1000000007;
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
string x0;
cin >> x0;
int tot = 1;
for (auto &i : x0) {
ans[tot] = (ans[tot - 1] * 10LL + (i xor 48)) % mod;
tot++;
}
tot--;
int q;
cin >> q;
while (q--) {
char op;
cin >> op;
if (op == '+') {
int d;
cin >> d;
ans[tot + 1] = (ans[tot] * 10LL + d) % mod;
tot++;
} else {
tot--;
}
if (tot == -1) {
tot++;
}
cout << ans[tot] << "\n";
}
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 3636kb
input:
2 1
output:
0
result:
wrong answer The number of countries cannot be zero