제출 #223387

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
223387	2020-04-15 08:31:34	dantoh000	Matching (COCI20_matching)	C++14	0 / 110	9 ms	2816 KiB

matching

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#include <bits/stdc++.h>
using namespace std;
vector<int> ans[100005];
int main(){
    int n;
    scanf("%d",&n);
    for (int i = 0; i < n; i++ ){
        int x,y;
        scanf("%d%d",&x,&y);
        ans[x].push_back(y);
    }
    printf("DA\n");
    for (int i = 0; i <= 100000; i++){
        for (auto x : ans[i]) printf("%d ",x);
        printf("\n");
    }
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

matching.cpp: In function 'int main()':
matching.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
matching.cpp:9:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&x,&y);
         ~~~~~^~~~~~~~~~~~~~

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