Maalaus

input/code.cpp: In function 'int main()':
input/code.cpp:44:27: warning: 'setColumns' may be used uninitialized in this function [-Wmaybe-uninitialized]
   44 |                 setColumns++;
      |                 ~~~~~~~~~~^~
input/code.cpp:37:24: warning: 'setRows' may be used uninitialized in this function [-Wmaybe-uninitialized]
   37 |                 setRows++;
      |                 ~~~~~~~^~

#include <iostream>
#include <vector>
#include <string>
#include <unordered_map>

using namespace std;

int main(){
    int n,m,k,q;
    cin>>n>>m>>k>>q;
    vector<bool> directions(q, 0);
    vector<int> indexes(q, 0);
    vector<int> colors(q, 0);
    vector<long long> numOfColors(k, 0);
    unordered_map<int, bool> rows;
    unordered_map<int, bool> columns;
    int setRows, setColumns;
    for (int i=0;i<q;i++){
        int color, index;
        string s;
        cin>>s>>index>>color;
        if (s=="R"){
            directions[i]=0;
        }
        else{
            directions[i]=1;
        }
        indexes[i]=index;
        colors[i]=color-1;
    }

    for (int i=q-1;i>=0;i--){
        if (directions[i]==0){
            if (rows.find(indexes[i])==rows.end()){
                numOfColors[colors[i]]+=m-setColumns;
                rows[indexes[i]]=1;
                setRows++;
            }
        }
        if (directions[i]==1){
            if (columns.find(indexes[i])==columns.end()){
                numOfColors[colors[i]]+=n-setRows;
                columns[indexes[i]]=1;
                setColumns++;
            }
        }
    }
    for (int i=0;i<k; i++){
        cout<<numOfColors[i]<<"\n";
    }
    return 0;
}

Test 1 (public)

Group: 1, 3, 4

Verdict: ACCEPTED

Test 2 (public)

Group: 3, 4

Verdict: ACCEPTED

Test 3

Group: 1, 3, 4

Verdict: ACCEPTED

Test 4

Group: 2, 4

Verdict: ACCEPTED

Test 5

Group: 2, 4

Verdict: ACCEPTED

Test 6

Group: 3, 4

Verdict: ACCEPTED

Test 7

Group: 3, 4

Verdict: ACCEPTED

Test 8

Group: 4

Verdict: ACCEPTED

Test 9

Group: 4

Verdict: ACCEPTED

Test 10

Group: 1, 3, 4

Verdict: ACCEPTED

Test 11

Group: 1, 3, 4

Verdict: ACCEPTED

Test 12

Group: 2, 4

Verdict: ACCEPTED

Test 13

Group: 2, 4

Verdict: ACCEPTED

Test 14

Group: 4

Verdict: ACCEPTED

Test 15

Group: 4

Verdict: ACCEPTED

Test 16

Group: 4

Verdict: ACCEPTED

Test 17

Group: 4

Verdict: ACCEPTED