Submission #208226

#	Time	Username	Problem	Language	Result	Execution time	Memory
208226		jzh	Bitaro the Brave (JOI19_ho_t1)	C++14	0 / 100	5 ms	376 KiB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll h,w,i,i1,x,y,sum=0;
    cin>>h>>w;
    vector<pair<ll,ll> >v;
    ll orbs[h],ingots[w];
    for (i=0;i<h;i++)orbs[i]=0;
    for (i=0;i<w;i++)ingots[i]=0;
    for (i=0;i<h;i++){
        for (i1=0;i1<w;i1++){
            char c;
            cin>>c;
            if (c=='J'){
                v.push_back({i1,i});
            }
            else if (c=='O'){
                orbs[i]++;
            }
            else {
                ingots[i1]++;
            }
        }
    }
    for (i=0;i<v.size();i++){
        x=v[i].first;
        y=v[i].second;
        sum+=ingots[x]*orbs[y];
    }
    cout<<sum<<'\n';

}

Compilation message (stderr)

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:28:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (i=0;i<v.size();i++){
              ~^~~~~~~~~

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50