Submission #689051

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Source Code Expand

#include <iostream>
#include <cstdio>
#include <set>
#include <map>
using namespace std;

int N;
int A[100000];
set<int> S;
map<int, int> M;

void solve() {
    cin >> N;
    for (int i = 0; i < N; i++) {
        scanf("%d", &A[i]);
        S.insert(A[i]);
    }
    set<int>::iterator it = S.begin();
    int i = 0;
    while (it != S.end()) {
        M[*it] = i++;
        it++;
    }
    for (int i = 0; i < N; i++) {
        printf("%d\n", M[A[i]]);
    }
}

int main() {
    solve();
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘void solve()’:
./Main.cpp:15:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &A[i]);
                           ^

Judge Result