Submission #1271672

#	Time	Username	Problem	Language	Result	Execution time	Memory
1271672		pxsit	Mosaic (IOI24_mosaic)	C++20	Compilation error	0 ms	0 KiB

mosaic

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

vector<long long> mosaic(vector<int> x, vector<int> y,vector<int> T, vector<int> B,vector<int> L, vector<int> R){
    int n = x.size(), q = T.size();
    if(n == 1){
        return x[0];
    }
    vector<long long> ans(q,0);
    vector<vector<int>> grid(n,vector<int>(n));
    for(int i=0;i<n;i++)
        grid[0][i] = x[i];
    for(int i=0;i<n;i++)
        grid[i][0] = y[i];
    if(grid[0][1] == 0 && grid[1][0] == 0) grid[1][1] = 1;
    else grid[1][1] = 0;
    for(int qrs=0;qrs<q;qrs++){
        int t = T[qrs],b = B[qrs],l = L[qrs],r = R[qrs];
        for(int i=t;i<=b;i++){
            for(int j=l;j<=r;j++){
                if(grid[i][j] == 1){
                    ans[qrs]++;
                }
            }
        }
    }
    return ans;
}

Compilation message (stderr)

mosaic.cpp: In function 'std::vector<long long int> mosaic(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
mosaic.cpp:8:19: error: could not convert 'x.std::vector<int>::operator[](0)' from '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} to 'std::vector<long long int>'
    8 |         return x[0];
      |                   ^
      |                   |
      |                   __gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type {aka int}