Submission #1108797

#TimeUsernameProblemLanguageResultExecution timeMemory
1108797KasymKMosaic (IOI24_mosaic)C++17
Compilation error
0 ms0 KiB
#include "bits/stdc++.h" using namespace std; #define ff first #define ss second #define all(v) v.begin(), v.end() #define ll long long #define pb push_back #define pii pair<int, int> #define pli pair<ll, int> #define pll pair<ll, ll> #define tr(i, c) for(auto i = c.begin(); i != c.end(); ++i) #define wr puts("----------------") template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;} template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;} const int N = 5005; int v[N][N]; ll p[N][N], par[N]; vector<ll> mosaic(vector<int> X, vector<int> Y, vector<int> T, vector<int> B, vector<int> L, vector<int> R){ memset(v, -1, sizeof v); int n = (int)X.size(); if(n >= N){ for(int i = 1; i <= n; ++i) par[i] = par[i-1]+X[i-1]; int Q = (int)T.size(); vector<ll> ans; for(int i = 0; i < Q; ++i) ans.pb(R[i]+1-L[i]); return ans; } for(int i = 1; i <= n; ++i) par[i] = par[i-1]+X[i-1], v[1][i] = X[i-1]; for(int i = 1; i <= n; ++i) v[i][1] = Y[i-1]; auto wow = [&](int a, int b) -> int { return (!(a|b)?1:0); }; auto sm = [&](int x, int x1, int y, int y1) -> ll { return (p[x1][y1]+p[x-1][y-1]-p[x-1][y1]-p[x1][y-1]); }; for(int i = 1; i <= n; ++i) for(int j = 1; j <= n; ++j) if(v[i][j]==-1 and ~v[i-1][j] and ~v[i][j-1]) v[i][j] = wow(v[i-1][j], v[i][j-1]); for(int i = 1; i <= n; ++i) for(int j = 1; j <= n; ++j) p[i][j] = p[i-1][j]+p[i][j-1]-p[i-1][j-1]+v[i][j]; int Q = (int)L.size(); vector<ll> ans; for(int i = 0; i < Q; ++i) ans.pb(sm(T[i]+1, B[i]+1, L[i]+1, R[i]+1)); return ans; } int main(){ freopen("file.txt", "r", stdin); int n; scanf("%d", &n); vector<int> X, Y; for(int i = 1; i <= n; ++i){ int x; scanf("%d", &x); X.pb(x); } for(int i = 1; i <= n; ++i){ int y; scanf("%d", &y); Y.pb(y); } int q; scanf("%d", &q); vector<int> T, B, L, R; while(q--){ int a, b, c, d; scanf("%d%d%d%d", &a, &b, &c, &d); T.pb(a), B.pb(b), L.pb(c), R.pb(d); } vector<ll> ans = mosaic(X, Y, T, B, L, R); for(auto i : ans) printf("%lld ", i); puts(""); return 0; }

Compilation message (stderr)

mosaic.cpp: In function 'int main()':
mosaic.cpp:56:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   56 |     freopen("file.txt", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
mosaic.cpp:58:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   58 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
mosaic.cpp:62:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |         scanf("%d", &x);
      |         ~~~~~^~~~~~~~~~
mosaic.cpp:67:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   67 |         scanf("%d", &y);
      |         ~~~~~^~~~~~~~~~
mosaic.cpp:71:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   71 |     scanf("%d", &q);
      |     ~~~~~^~~~~~~~~~
mosaic.cpp:75:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   75 |         scanf("%d%d%d%d", &a, &b, &c, &d);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/cc3GvPEl.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccyP0XCj.o:mosaic.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status