Submission #1108797

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1108797	2024-11-05T06:25:38 Z	KasymK	Mosaic (IOI24_mosaic)	C++17	Compilation error	0 ms	0 KB

mosaic

#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

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