Submission #1068635

#	Time	Username	Problem	Language	Result	Execution time	Memory
1068635		vjudge1	Naval battle (CEOI24_battle)	C++17	30 / 100	378 ms	12952 KiB

Main

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin >> n;
    long long int x[n],y[n];
    char c[n];
    int pos[n];
    vector<tuple<int,int,int>>v;
    for(int i = 0; i < n; i++){
        cin >> x[i] >> y[i] >> c[i];
        v.push_back({x[i]+y[i], x[i], i});
        pos[i] = 0;
    }
    sort(v.begin(),v.end());
    int br = 0;
    for(int i = 0; i < v.size(); i++){
        long long int a = get<0>(v[i]);
        int index = get<2>(v[i]);
        if(i == 0){
            if(c[index] == 'E'){
                br++;
            }
        }else{
            long long int b = get<0>(v[i - 1]);
            if(a != b){
                br = 0;
            }
            if(c[index] == 'E'){
                br++;
            }else{
                if(br > 0){
                    pos[index] = 1;
                    br--;
                }
            }
        }
    }
    br = 0;
    int ro = v.size();
     for(int i = ro - 1; i >= 0; i--){
        long long int a = get<0>(v[i]);
        int index = get<2>(v[i]);
        if(i == (ro - 1)){
            if(c[index] == 'S'){
                br++;
            }
        }else{
            long long int b = get<0>(v[i + 1]);
            if(a != b){
                br = 0;
            }
            if(c[index] == 'S'){
                br++;
            }else{
                if(br > 0){
                    pos[index] = 1;
                   
                    br--;
                }
            }
        }
    }
    for(int i = 0; i < n; i++){
        if(pos[i] == 0){
            cout << i + 1 <<endl;
        }
    }
    
    
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:17:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::tuple<int, int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     for(int i = 0; i < v.size(); i++){
      |                    ~~^~~~~~~~~~

• Subtask 0: 0 / 0
• Subtask 1: 0 / 6
• Subtask 2: 0 / 12
• Subtask 3: 0 / 8
• Subtask 4: 0 / 11
• Subtask 5: 0 / 9
• Subtask 6: 30 / 30
• Subtask 7: 0 / 24