Submission #1311252

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Source Code Expand

#include <cstdio>
#include <iostream>
#include <array>
#include <vector>
#include <algorithm>
#include <functional>
#include <tuple>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <queue>
#include <utility>
#include <memory>
#include <valarray>
#include <climits>

using namespace std;

using ll = long long int;

#define loop(i, N) for (int i = 0; i < N; ++i)
#define scanInt(x) int x; scanf("%d", &x); getchar();
#define scanLLInt(x) ll x; scanf("%lld", &x); getchar();
#define scanVecInt(A, N) vector<int> A(N); loop(i, N){scanf("%d", &(A[i])); getchar();}
#define scanVecLLInt(A, N) vector<ll> A(N); loop(i, N){scanf("%lld", &(A[i])); getchar();}

int main()
{
    char str[100001];
    fgets(str, 100001, stdin);
    int size = 0;
    while (str[size] == 'U' || str[size] == 'D') ++size;
    ll sum = 0;
    loop(i, size){
        if (str[i] == 'U'){
            sum += (size - 1);
            sum += i;
        }else if (str[i] == 'D'){
            sum += (size - 1);
            sum += (size - 1 - i);
        }
    }
    printf("%lld\n", sum);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:31:30: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
     fgets(str, 100001, stdin);
                              ^

Judge Result