/Laserzinho.cpp Secret
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March 22, 2023 20:48
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#include<bits/stdc++.h> | |
using namespace std; | |
const int maxn = 100 + 5; | |
int on[maxn][maxn]; | |
int main(){ | |
int n, m; cin >> n >> m; | |
int q; cin >> q; | |
while(q--){ | |
char tp; cin >> tp; | |
int x, y; cin >> x >> y; | |
if(tp=='A'){ | |
for(int i = 1; i <= n; i++) on[i][y]++; | |
for(int i = 1; i <= m; i++) on[x][i]++; | |
on[x][y]--; | |
} | |
else if(tp=='R'){ | |
for(int i = 1; i <= n; i++) on[i][y]--; | |
for(int i = 1; i <= m; i++) on[x][i]--; | |
on[x][y]++; | |
} | |
else{ | |
int x2, y2; cin >> x2 >> y2; | |
if(x2<x) swap(x, x2); | |
if(y2<y) swap(y, y2); | |
bool ok = true; | |
for(int i = x; i <= x2; i++){ | |
for(int j = y; j <= y2; j++) if(!on[i][j]) ok = false; | |
} | |
if(ok) cout << "S\n"; | |
else cout << "N\n"; | |
} | |
} | |
} |
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