提出 #51201674

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ソースコード 拡げる

#include <vector>
#include <cassert>
#include <iostream>

int main(){
    size_t N; std::cin >> N;
    int32_t minimum_count = 0;
    int32_t combo = 0;
    for (int32_t i = 0; i < N; i++) {
        int32_t A_i; std::cin >> A_i;
        if (i + 1 == A_i) {
            combo += 1;
        } else {
            minimum_count += (combo + 1) / 2;
            combo = 0;
        }
    }
    minimum_count += (combo + 1) / 2;
    std::cout << minimum_count << std::endl;
    
    return 0;
}

提出情報

コンパイルエラー

Main.cpp: In function ‘int main()’:
Main.cpp:9:27: warning: comparison of integer expressions of different signedness: ‘int32_t’ {aka ‘int’} and ‘size_t’ {aka ‘long unsigned int’} [-Wsign-compare]
    9 |     for (int32_t i = 0; i < N; i++) {
      |                         ~~^~~

ジャッジ結果