Submission #2333789

---

Source Code Expand

#include<bits/stdc++.h>
using namespace std;

#define int long long

#define rep(i,n) for(int i=0;i<(n);i++)
#define pb push_back
#define all(v) (v).begin(),(v).end()
#define fi first
#define se second
typedef vector<int>vint;
typedef pair<int,int>pint;
typedef vector<pint>vpint;

template<typename A,typename B>inline void chmin(A &a,B b){if(a>b)a=b;}
template<typename A,typename B>inline void chmax(A &a,B b){if(a<b)a=b;}
const int INF=1001001001001001001ll;
int in(){
    string s;cin>>s;
    int ret=(s[0]-'0')*10+(s[1]-'0');
    ret-=21;
    ret*=60;
    ret+=(s[3]-'0')*10+(s[4]-'0');
    ret*=60;
    ret+=(s[6]-'0')*10+(s[7]-'0');
    ret*=1000;
    ret+=(s[9]-'0')*100+(s[10]-'0')*10+(s[11]-'0');
    return ret;
}

int S[111],T[111];

signed main(){
    int N;cin>>N;
    rep(i,N){
        S[i]=in();T[i]=in();
    }

    int L=-INF;
    int R=INF;

    rep(i,N){
        if(S[i]<T[i])continue;
        chmax(L,S[i]);
        chmin(R,T[i]+1000);
    }

    rep(i,N){
        if(S[i]>=T[i]){
            cout<<T[i]+1000-S[i]<<endl;
            continue;
        }

        bool flag1=false,flag2=false;

        if(T[i]<R)flag1=true;
        if(L<S[i]+1000)flag1=true;
        if(!(R<=S[i]||T[i]+1000<=L))flag2=true;

        if(flag1&&flag2)cout<<-1<<endl;
        else if(flag1)cout<<T[i]-S[i]<<endl;
        else cout<<T[i]+1000-S[i]<<endl;
    }
    return 0;
}

Submission Info

Judge Result