Submission #2403008

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define LL long long 
#define pb push_back
#define mem(a, b) memset(a, b, sizeof(a))
 
int main() {
    int q;
    LL a, b, ans;
    scanf("%d", &q);
    while (q--) {
        scanf("%lld%lld", &a, &b);
        if (a > b) swap(a, b);
        if (a == b) {
            ans = 2 * (a - 1);
        }
        else if (a == b - 1) {
            ans = 2 * (a - 1);
        }
        else {
            LL c = sqrt(a * b-1);
            if(c * (c + 1) >= a * b) {
                ans = 2 * c - 2;
            }
            else {
                ans = 2 * c - 1;
            }
        }
        printf("%lld\n",ans);
    }
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &q);
                    ^
./Main.cpp:12:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld%lld", &a, &b);
                                  ^

Judge Result