Task: | Ruudukko |
Sender: | Mahtimursu |
Submission time: | 2022-10-31 00:46:30 +0200 |
Language: | C++ (C++17) |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 28 |
#2 | ACCEPTED | 33 |
#3 | ACCEPTED | 39 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.00 s | 1, 2, 3 | details |
#2 | ACCEPTED | 0.00 s | 1, 2, 3 | details |
#3 | ACCEPTED | 0.00 s | 1, 2, 3 | details |
#4 | ACCEPTED | 0.01 s | 2, 3 | details |
#5 | ACCEPTED | 0.01 s | 2, 3 | details |
#6 | ACCEPTED | 0.01 s | 2, 3 | details |
#7 | ACCEPTED | 0.16 s | 3 | details |
#8 | ACCEPTED | 0.19 s | 3 | details |
#9 | ACCEPTED | 0.28 s | 3 | details |
Code
#include <bits/stdc++.h>typedef long long ll;#define M 1000000007#define N (1 << 18)using namespace std;ll ways[1001][1001];ll rowsum[1001];ll colsum[1001];int v[1001][1001];int main() {ios_base::sync_with_stdio(false);cin.tie(nullptr);int n;cin >> n;vector<pair<int, pair<int, int>>> ord;for (int i = 0; i < n; ++i) {for (int j = 0; j < n; ++j) {cin >> v[i][j];ord.push_back({v[i][j], {i, j}});ways[i][j] = 1;}}sort(ord.rbegin(), ord.rend());ll ans = 0;ll bef = 1e9;vector<pair<int, int>> rowadd;vector<pair<int, int>> coladd;for (auto [a, b] : ord) {auto [i, j] = b;if (a < bef) {for (auto [idx, val] : rowadd) {rowsum[idx] += val;rowsum[idx] %= M;}for (auto [idx, val] : coladd) {colsum[idx] += val;colsum[idx] %= M;}rowadd.clear();coladd.clear();bef = a;}ways[i][j] = (1 + rowsum[i] + colsum[j]) % M;coladd.push_back({j, ways[i][j]});rowadd.push_back({i, ways[i][j]});ans += ways[i][j];ans %= M;}cout << ans << "\n";return 0;}
Test details
Test 1
Group: 1, 2, 3
Verdict: ACCEPTED
input |
---|
3 1 1 1 1 1 1 1 1 1 |
correct output |
---|
9 |
user output |
---|
9 |
Test 2
Group: 1, 2, 3
Verdict: ACCEPTED
input |
---|
3 1 2 3 6 5 4 7 8 9 |
correct output |
---|
135 |
user output |
---|
135 |
Test 3
Group: 1, 2, 3
Verdict: ACCEPTED
input |
---|
3 7 8 1 4 5 4 3 9 6 |
correct output |
---|
57 |
user output |
---|
57 |
Test 4
Group: 2, 3
Verdict: ACCEPTED
input |
---|
100 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
10000 |
user output |
---|
10000 |
Test 5
Group: 2, 3
Verdict: ACCEPTED
input |
---|
100 1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
correct output |
---|
187458477 |
user output |
---|
187458477 |
Test 6
Group: 2, 3
Verdict: ACCEPTED
input |
---|
100 2995 8734 1018 2513 7971 5063 ... |
correct output |
---|
964692694 |
user output |
---|
964692694 |
Test 7
Group: 3
Verdict: ACCEPTED
input |
---|
1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
1000000 |
user output |
---|
1000000 |
Test 8
Group: 3
Verdict: ACCEPTED
input |
---|
1000 1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
correct output |
---|
229147081 |
user output |
---|
229147081 |
Test 9
Group: 3
Verdict: ACCEPTED
input |
---|
1000 520283 805991 492643 75254 527... |
correct output |
---|
951147313 |
user output |
---|
951147313 |