Task: | Ruudukko |
Sender: | xenial |
Submission time: | 2022-11-08 16:11:13 +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 | 0.26 s | 3 | details |
#8 | ACCEPTED | 0.22 s | 3 | details |
#9 | ACCEPTED | 0.34 s | 3 | details |
Compiler report
input/code.cpp: In function 'int main()': input/code.cpp:66:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for (int i = 0; i < xp[cx].sz(); i++) { | ~~^~~~~~~~~~~~~ input/code.cpp:78:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for (int i = 0; i < yp[cy].sz(); i++) { | ~~^~~~~~~~~~~~~ input/code.cpp: In function 'void set_io(std::string)': input/code.cpp:19:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 19 | freopen((filename + ".in").c_str(), "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ input/code.cpp:20...
Code
#include <bits/stdc++.h>using namespace std;typedef long long ll;#define all(x) (x).begin(), (x).end()#define pb push_back#define fi first#define se second#define sz size#define rsz resize#define ii pair<int,int>#define vi vector<int>#define vvi vector<vector<int>>void set_io(string filename = "") {ios::sync_with_stdio(0);cin.tie(0);if (filename != "") {freopen((filename + ".in").c_str(), "r", stdin);freopen((filename + ".out").c_str(), "w", stdout);}}int N;int main() {set_io("");cin >> N;int map[N][N];ll dp[N][N];fill_n(&dp[0][0], N*N, 1);vector<pair<int, ii>> s;for (int i = 0; i < N; i++)for (int j = 0; j < N; j++) {cin >> map[j][i];s.pb(make_pair(map[j][i], ii(j, i)));}sort(all(s));int h = s[0].fi, i = 1;for (auto &n : s) {int c = n.fi, cx = n.se.fi, cy = n.se.se;if (h < c) {i++;h = c;}n.fi = i;map[cx][cy] = i;}vector<vector<ii>> xp(N), yp(N);ll dpx[N], dpy[N];fill_n(&dpx[0], N, 0);fill_n(&dpy[0], N, 0);ll ans = 0;for (auto n : s) {int cx = n.se.fi, cy = n.se.se, cw = n.fi;ll cp = 1;for (int i = 0; i < xp[cx].sz(); i++) {int x = xp[cx][i].fi, y = xp[cx][i].se;if (cw <= map[x][y]) break;dpx[cx] = (dpx[cx] + dp[x][y]) % 1000000007;xp[cx].erase(xp[cx].begin() + i);i--;}cp = (cp + dpx[cx]) % 1000000007;for (int i = 0; i < yp[cy].sz(); i++) {int x = yp[cy][i].fi, y = yp[cy][i].se;if (cw <= map[x][y]) break;dpy[cy] = (dpy[cy] + dp[x][y]) % 1000000007;yp[cy].erase(yp[cy].begin() + i);i--;}cp = (cp + dpy[cy]) % 1000000007;ans = (ans + cp) % 1000000007;dp[cx][cy] = cp;xp[cx].pb(ii(cx, cy));yp[cy].pb(ii(cx, cy));}cout << ans << endl;}
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 |