Submission #971438

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
971438	2024-04-28 13:53:12	Acanikolic	Crossing (JOI21_crossing)	C++14	26 / 100	7102 ms	13372 KiB

Main

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#include <bits/stdc++.h>
#define int long long
using namespace std;
const int P = 31;
const int mod = 1e9 + 7;
string resi(string a,string b) {
    string res;
    for(int i = 0; i < a.size(); i++) res += 'J';
    for(int i = 1; i < a.size(); i++) {
        if(a[i] == b[i]) res[i] = a[i];
        else {
            bool J = false,O = false,I = false;
            if(a[i] == 'J' || b[i] == 'J') J = true;
            if(a[i] == 'O' || b[i] == 'O') O = true;
            if(a[i] == 'I' || b[i] == 'I') I = true;
            if(!J) res[i] = 'J';
            else if(!O) res[i] = 'O';
            else res[i] = 'I';
        }
    }
    return res;
}
int add(int a,int b) {
    return (a + b) % mod;
 
 
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Compilation message (stderr)

Main.cpp: In function 'std::string resi(std::string, std::string)':
Main.cpp:13:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(int i = 0; i < a.size(); i++) res += 'J';
      |                    ~~^~~~~~~~~~
Main.cpp:14:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for(int i = 1; i < a.size(); i++) {
      |                    ~~^~~~~~~~~~
Main.cpp:17:38: warning: variable 'I' set but not used [-Wunused-but-set-variable]
   17 |             bool J = false,O = false,I = false;
      |                                      ^

• Subtask 1: 3 / 3
• Subtask 2: 0 / 23
• Subtask 3: 23 / 23
• Subtask 4: 0 / 51