Submission #1453988

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

signed main(signed arg, char *args[])
{
    int n;
    cin>>n;

    vector<pair<int,int>> se;
    for(int i=0;i<n;i++){
        int a,b;
        scanf("%d-%d",&a,&b);
        se.push_back(make_pair(a,b));
    }

    for(int i=0;i<n;i++){
        for(int j=i;j<n;j++){
            if(se[i].first>se[j].first){
                auto buf=se[i];
                se[i]=se[j];
                se[j]=buf;
            }
        }
    }

    for(auto it=se.begin();it!=se.end();++it){
        it->first-=it->first%5;
        if(it->second%5!=0) it->second+=5-it->second%5;
        if(it->second%100==60) it->second+=40;
    }

    vector<pair<int,int>> ans;
    for(auto it=se.begin();it!=se.end();){
        int s,e;
        s=it->first;
        e=it->second;
        ++it;
        while(it!=se.end()){
            if(it->first<=e && e<=it->second) e=it->second;
            else if(e<it->first) break;
            ++it;
        }
        ans.push_back(make_pair(s,e));
    }

    for(auto a:ans){
        printf("%04d-%04d\n",a.first,a.second);
    }

    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main(int, char**)’:
./Main.cpp:13:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d-%d",&a,&b);
                             ^

Judge Result