Submission #1091357

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1091357	2024-09-20T16:52:43 Z	Psych_x7	Martian DNA (IOI16_dna)	C++17	Compilation error	0 ms	0 KB

dna

#include<bits/stdc++.h>
#include<cstring>
//#define Psych_x7's Code
#define   ll         long long
#define   ull        unsigned long long
#define   pb         push_back
#define   em         emplace_back
#define   ff         first
#define   ss         second
#define   all(v)     (v.begin(), v.end())
#define   rall(v)    (v.rbegin(), v.rend())
#define   pi         acos(-1.0)
#define   FastRead   ios_base::sync_with_stdio(0);cin.tie(0); cout.tie(0);
#define   bug(a)     cerr << #a << " : " << a << endl
using namespace std;
typedef pair<int, int> Pd;

int main() {
	//code
	FastRead
	int T,N,K,i,F,j;
	scanf("%d", &T);
	while(T--){
	    scanf("%d", &N);
	    F=0;
	    vector<char> V(N,'0');
	    vector<char> L;
	    i=1;
	    while(i<=N){
	        if(F==0){
	            cout.flush()<<"? ";
	            fflush(stdout);
	            for(j=0;j<i;j++){
	                cout.flush()<<V[j];
	                fflush(stdout);
	            }cout.flush()<<endl;
	            fflush(stdout);
	            scanf("%d", &K);
	            if(K==0){
	                F=1;
	                continue;
	            }else{
	                i++;
	                continue;
	            }
	        }if(F==1){
	            V[i-1]='1';
	            cout.flush()<<"? ";
	            fflush(stdout);
	            for(j=0;j<i;j++){
	                cout.flush()<<V[j];
	                fflush(stdout);
	            }cout.flush()<<endl;
	            fflush(stdout);
	            scanf("%d", &K);
	            if(K==0){
	                i--;
	                break;
	            }
	            i++;
	            F=0;
	        }
	    }
	    K=N-i;
	    for(j=0;j<K;j++){
	        L.em('1');
	    }for(j=0;j<i;j++){
	        L.em(V[j]);
	    }cout.flush()<<"! ";
	    fflush(stdout);
	    for(i=0;i<N;i++){
	        cout.flush()<<L[i];
	        fflush(stdout);
	    }cout.flush()<<endl;
	    fflush(stdout);
	}
	return 0;
}

Compilation message

dna.cpp: In function 'int main()':
dna.cpp:22:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |  scanf("%d", &T);
      |  ~~~~~^~~~~~~~~~
dna.cpp:24:11: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |      scanf("%d", &N);
      |      ~~~~~^~~~~~~~~~
dna.cpp:38:19: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |              scanf("%d", &K);
      |              ~~~~~^~~~~~~~~~
dna.cpp:55:19: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |              scanf("%d", &K);
      |              ~~~~~^~~~~~~~~~
grader.cpp: In function 'bool make_test(std::string)':
grader.cpp:14:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |  for (int i = 0; i < p.size(); i++) {
      |                  ~~^~~~~~~~~~
grader.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |  for (int i = 1; i <= ss.size(); i++) {
      |                  ~~^~~~~~~~~~~~
grader.cpp:28:13: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |   if (pr[i] == p.size()) {
/usr/bin/ld: /tmp/ccK89OQS.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccUyaI7S.o:dna.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccK89OQS.o: in function `main':
grader.cpp:(.text.startup+0x4e): undefined reference to `analyse[abi:cxx11](int, int)'
collect2: error: ld returned 1 exit status