oj.uz

Submission #337530

# Submission time Handle Problem Language Result Execution time Memory
337530 2020-12-21T04:11:35 Z beksultan04 Weighting stones (IZhO11_stones) C++17
0 / 100
 1 ms 364 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define fr first
#define sc second
#define ret return
#define scan1(a) scanf("%lld",&a);
#define scan2(a,b) scanf("%lld %lld",&a, &b);
#define scan3(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin(),s.rend()
#define pb push_back
#define sz(v) (int)v.size()
#define endi puts("");
const int N = 1e6+12,INF=1e9+7;

main(){
    int n,i,j,s,t,l1=0,l2=0,r1=0,r2=0;
    scan1(n)
    while (n--){
        scan2(s,t)

        if (t == 1){
            l1+=s;
            r1+=N+s;
        }
        if (t == 2){
            l2 += s;
            r2 += N+s;
        }
        if (l1 < l2 && r1 <= r2 || l1 <= l2 && r1 < r2)cout <<"<\n";
        else if (l1 >= l2 && r1 > r2 || l1 > l2 && r1 >= r2)cout <<">\n";
        else cout <<"?\n";
    }
}

Compilation message

stones.cpp:21:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   21 | main(){
      |      ^
stones.cpp: In function 'int main()':
stones.cpp:35:21: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   35 |         if (l1 < l2 && r1 <= r2 || l1 <= l2 && r1 < r2)cout <<"<\n";
      |             ~~~~~~~~^~~~~~~~~~~
stones.cpp:36:27: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   36 |         else if (l1 >= l2 && r1 > r2 || l1 > l2 && r1 >= r2)cout <<">\n";
      |                  ~~~~~~~~~^~~~~~~~~~
stones.cpp:22:11: warning: unused variable 'i' [-Wunused-variable]
   22 |     int n,i,j,s,t,l1=0,l2=0,r1=0,r2=0;
      |           ^
stones.cpp:22:13: warning: unused variable 'j' [-Wunused-variable]
   22 |     int n,i,j,s,t,l1=0,l2=0,r1=0,r2=0;
      |             ^
stones.cpp:11:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 | #define scan1(a) scanf("%lld",&a);
      |                  ~~~~~^~~~~~~~~~~
stones.cpp:23:5: note: in expansion of macro 'scan1'
   23 |     scan1(n)
      |     ^~~~~
stones.cpp:12:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 | #define scan2(a,b) scanf("%lld %lld",&a, &b);
      |                    ~~~~~^~~~~~~~~~~~~~~~~~~~
stones.cpp:25:9: note: in expansion of macro 'scan2'
   25 |         scan2(s,t)
      |         ^~~~~

Subtask #1
0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -