1519B - The Cake Is a Lie - CodeForces Solution

dp math *800

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Python Code: 

inp1 = int(input())
for i in range(inp1):
    a,b,c = input().split()
    a = int(a);b = int(b);c = int(c)
    MT = [[i for i in range(a+1)] for i in range(b+1)]
    MT[-1][-1]=a*b-1
    if MT[-1][-1] == c:
        print("YES")
    else:
        print("NO")

C++ Code: 

#include <iostream>
#include <vector>
#include <algorithm>
 
using namespace std;
 
int main() {
    cin.tie(0);
    cin.sync_with_stdio(0);
    int t;
    cin >> t;
    for (int i = 0; i < t; i++){
        int n, m, k;
        cin >> n >> m >> k;
        int count = 0;
        count += (m - 1);
        count += (n - 1) * m;
        if (count == k){
            cout << "YES" << "\n";
        }
        else{
            cout << "NO" << "\n";
        }
    }
}


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