Submission #891560

#	Time^UTC-0	Username	Problem	Language	Result	Execution time	Memory
891560	2023-12-23 08:38:08	fanwen	Sum Zero (RMI20_sumzero)	C++17	0 / 100	6 ms	31320 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

sumzero

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#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define ll long long
#define file(name)                  \
    if(fopen(name".inp", "r"))      \
        freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout);
const int MAX = 4e5 + 5;
int n, a[MAX], q, f[19][MAX];
map <long long, int> dd;
void you_make_it(void) {
}
signed main() {
#ifdef LOCAL
    freopen("TASK.inp", "r", stdin);
    freopen("TASK.out", "w", stdout);
#endif
    file("sum0");
    auto start_time = chrono::steady_clock::now();
    cin.tie(0), cout.tie(0) -> sync_with_stdio(0);
 
 
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Compilation message (stderr)

sumzero.cpp: In function 'int main()':
sumzero.cpp:10:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |         freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
sumzero.cpp:27:5: note: in expansion of macro 'file'
   27 |     file("sum0");
      |     ^~~~
sumzero.cpp:10:49: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |         freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout);
      |                                          ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
sumzero.cpp:27:5: note: in expansion of macro 'file'
   27 |     file("sum0");
      |     ^~~~

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