Submission #1071712

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Source Code Expand

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

typedef long long ll;

struct seg {
    int s,t;
    bool operator < (const seg& tgt) const {
	if( s == tgt.s ) return t < tgt.t;
	return s < tgt.s;
    }
    void dump() {
	if( s/1000 == 0 ) cout << 0;
	if( s/100  == 0 ) cout << 0;
	if( s/10   == 0 ) cout << 0;
	cout << s << "-";
	if( t/1000 == 0 ) cout << 0;
	if( t/100  == 0 ) cout << 0;
	if( t/10   == 0 ) cout << 0;
	cout << t << endl;
    }
};

int maru_s(int s) {
    if( s%5 == 0 ) return s;
    if( s%10 > 5 ) return s/10*10+5;
    return s/5*5;
}
int maru_t(int t) {
    if( t%5 == 0 ) return t;
    if( t%10 < 5 ) return t/10*10+5;
    if( t/10%10 != 5 ) return t/10*10+10;
    // **59
    int h = t/100;
    h++;
    return h*100;
}

int main () {

    ll N ;
    cin >> N;
    vector<seg> segments(N);
    for(int i=0; i<N; i++) {
	int s,t;
	scanf("%d-%d",&s,&t);
	s = maru_s(s); t = maru_t(t);
	segments[i] = seg{s,t};
    }
    sort(segments.begin(), segments.end());

    seg pre = segments[0];
    for(int i=0; i<N; i++) {
	if( pre.t < segments[i].s ) {
	    pre.dump();
	    pre = segments[i];
	}
	else
	    pre.t = max(pre.t, segments[i].t);
    }
    pre.dump();    
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:46:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d-%d",&s,&t);
                      ^

Judge Result